形容词 副词ppt课件.pptVIP

* 8A Unit 1 形容词、副词的比较级与最高级 （A） 一 比较级： 1. A is taller than B. 2. A is more interesting than B. 3. A is +比较级+than any other + n单数 =A is +比较级+than the other + n复数 ①A is taller than any other student in the class. =A is taller than the other students in the class. ②Russia is bigger than any other country in the world.(俄罗斯比世界上任何国 = Russia is bigger than the other countries in the world. 家都大) ③Shanghai is bigger than any city in Jiangsu.(上海不在江苏范围之内) 二 最高级： 1.the +adj/ adv的最高级+ of/among+具体数目 She is the tallest of the three. the +adj/ adv的最高级+ in +单位（地点） She is the tallest in her class. 2.one of the/my +adj最高级+n复数 最…之一 The Spring Festival is one of the most important festivals in the world. John is one of the best basketball players in his school. 三 原级和比较级之间的转换： A+比较级+than +B = B+not +as/so +原级+as+A He is taller than I. = I am not so/as tall as he. =I am shorter than he/him. 四 比较级和最高级之间的转换： 比较级+than+any other +单数n. He is taller than any other student in his class. = He is taller than the other students in his class. =He is the tallest student is his class. Russia is bigger than any other country in the world. = Russia is bigger than the other countries in the world. =Russia is the biggest country in the world. (B) adj或adv的比较级或最高级的构成： 1.单音节和部分双音节adj构成比较级和最高级: ①直接+er;+est ②以e结尾+r;+st (nice,fine,late,close,large) ③以y结尾 去y+ier; 去y+iest (pretty,easy,heavy,happy,funny,tasty) ④双写后面辅音字母+er; +est (big,hot,fat,wet,thin,slim,red,sad) 2.多音节和小部分双音节，前加more构成比较级,加most构成最高级 (beautiful,important,tired,careful,interesting,dangerous,famous) 3.有些adj或adv的比较级和最高级呈不规则变化 （good/well, bad/ill, many/much,little,old,far） 4. 特殊的词 slow(slower,slowest) quick lucky easy slowly(more slowly,most slowly) quickly luckily easily Adjective/Adverbs comparative superlative short hard nice pretty early slim humorous happily . nicer nicest slimmer slimmest shorter shortest prettier prettie